carcass physical features of malagasy chicken: indigenous race and starbro strain

نویسندگان

hantanirina i

department of animal science, graduate school of agronomics sciences, university of antananarivo, antananarivo 175, madagascar rabearismisa r

department of animal science, graduate school of agronomics sciences, university of antananarivo, antananarivo 175, madagascar rakotozandriny jn

department of animal science, graduate school of agronomics sciences, university of antananarivo, antananarivo 175, madagascar mazel c

modeling and optimization systems laboratory, blaise pascal university / cnrs, clermont-ferrand ii, campus cézeaux 10125, france

چکیده

this study aims to compare anatomies of madagascar chickens (indigenous race and starbro strain). with 8,262 individuals of either indigenous races or starbro strain chickens raised in a suburban environment, the weights of different pieces of cut as well as the live weights before slaughter were determined. results showed that breast development presents a positive linear relationship with thigh development for starbro strain chickens (fast growing broiler) while the relationship between the two traits is negative for the indigenous races (slow growing chicken). giblet proportions are similar between these two types of chicken. we found that slaughtering at 1,750g live weight (age 120 to 185 days) is profitable for indigenous race chickens (meat yield = 40.16%, breast yield = 18.10%, thigh yield = 20.15% and abdominal fat yield = 1.90%). for the starbro strain, ideal weight at slaughter is 1,300-1,450 g, corresponding to 49 to 61 days of age (meat yield = 39.63%, breast yield = 17.85%, thigh yield = 20.27% and abdominal fat yield = 1.51%). the physical features of the cuts are similar between indigenous races and starbro strain chickens.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Carcass Physical Features of Malagasy Chicken: Indigenous Race and Starbro Strain

This study aims to compare anatomies of Madagascar chickens (indigenous race and Starbro strain). With 8,262 individuals of either indigenous races or Starbro strain chickens raised in a suburban environment, the weights of different pieces of cut as well as the live weights before slaughter were determined. Results showed that breast development presents a positive linear relationship with thi...

متن کامل

Comparative Assessment of Carcass Traits in Indigenous Chicken

A study was conducted to find out the differences in carcass traits among the Cobb-400, Vanraja, Aseel and Kadaknath Breeds of chicken. Cobb-400 showed significantly (P<0.05) higher live weight and dressing percentage than indigenous breeds (Vanrja, Aseel and Kadaknath) at the age of six week. Hot carcass weight as well as cold carcass weight were significantly (P<0.05) higher in comparison to ...

متن کامل

Indigenous Race of Hen: Egg Physical Characteristics and Laying Performance - Case of a Family Poultry Farm in Madagascar

The purpose of the present study is to get a better knowledge of the Malagasy indigenous race of hen through its egg physical characteristics and its laying performance in order to promote villager poultry production. This study was undertaken within a local family farm, of the rural Township of Ambalamahasoa, Haute Matsiatra Region, Madagascar, with 25 hens and 4 roosters in age to reproduce. ...

متن کامل

determination of some physical and mechanical properties red bean

چکیده: در این تحقیق، برخی خواص فیزیکی و مکانیکی لوبیا قرمز به-صورت تابعی از محتوی رطوبت بررسی شد. نتایج نشان داد که رطوبت بر خواص فیزیکی لوبیا قرمز شامل طول، عرض، ضخامت، قطر متوسط هندسی، قطر متوسط حسابی، سطح تصویر شده، حجم، چگالی توده، تخلخل، وزن هزار دانه و زاویه ی استقرار استاتیکی در سطح احتمال 1 درصد اثر معنی داری دارد. به طوری که با افزایش رطوبت از 54/7 به 12 درصد بر پایه خشک طول، عرض، ضخام...

15 صفحه اول

Evaluation of Physical Egg Quality Characteristics of Free Range Indigenous Malawian Normal Feathered and Frizzled Chicken

Indigenous chickens (IC) are mainly raised by resource poor rural households in developing countries [1]. Although they are of low genetic potential compared to the commercial breeds, IC play a vital role in livelihoods of farmers and contribute significantly to food security and income [1]. IC dominates in most smallholder farms in Malawi and they are deemed less productive but appear to be ad...

متن کامل

Growth Performance and Carcass Quality of Layer Type Cockerels and Broiler Chicken

The aim of the study was to compare the growth performance and carcass quality of layer-type cockerels and broilers reared under identical conditions. A total of 180 one-day-old broiler male (BM), broiler female (BF) and brown layer male (LM) chicks were distributed into 9 floor pens in a completely randomized design, with 3 replicates of 20 birds per experimental unit. The body weights and fee...

متن کامل

منابع من

با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید


عنوان ژورنال:
poultry science journal

جلد ۴، شماره ۲، صفحات ۱۴۷-۱۵۵

میزبانی شده توسط پلتفرم ابری doprax.com

copyright © 2015-2023